[Nouveau] [Bug 35901] two full hd displays (left and right) with nouveau does not work any more

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35901

--- Comment #15 from Emil Velikov <emil.l.velikov at gmail.com> 2011-05-20 08:34:05 PDT ---
Here as some things you can try - not too sure it they may work as I do not
have a nv40 card

xorg.cong options:

* Try enabling/disabling the WrappedFB - it is known to cause issues in some
rare cases
* Disable PageFlip
* Disable AIGLX

Looking at the "16 pixels overlap" it does give me some ideas that tiling may
be responsible, thus on top of master(xf86-video-nouveau) you can try reverting
some commits
Note that in some cases reverting can cause other visual "bonuses"

* xv: use nouveau_bo_new_tile() - c2d341f7e0a0dc70a28c6091ef6919fc6c0d60561

* nv10-nv40/exa: Fix tiled pixmap pitch alignment calculation -
8c8f15c9d3a31c35bf2ef20faf8c4133295a678f

* Restructure tiled pixmap allocation in a single place -
75daada678d03d2e162f8003a6f2edcbe0525f92

* Allocate a tiled scanout on pre-nv50 too -
c88f13e25b0040c1dd0f93e0ac40f62a6005ce59

I hope it helps

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